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Math 3
By Sonal Goel
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Last updated over 6 years ago
2 questions
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Math 3 Unit 3 error analysis practice
1
1
Question 1
1.
Which of the following is a geometric sequence?
a) 0, 2, 6, 12, 72, . . .....
b) 4, 9, 14, 19, 24, . . .....
c) 1, 3, 9, 27, 81, . ....
d) 1/2, 2/3, 3/4, 4/5, 5/6, .........
a
b
c
d
None
Question 2
2.
The
n
th term of a geometric sequence is
where a
1
is the first term and
r
is the common ratio.
Identify
and
r
for each geometric sequence.
1, 3, 9, 27, ...
a
r
=
8, 4, 2, 1, ...
a
📷
=
r
=
4, -16, 64, -256, ...
a
📷
=
r
=